CN208537405U - A kind of spectral photometric colour measuring device - Google Patents
A kind of spectral photometric colour measuring device Download PDFInfo
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- CN208537405U CN208537405U CN201821241820.XU CN201821241820U CN208537405U CN 208537405 U CN208537405 U CN 208537405U CN 201821241820 U CN201821241820 U CN 201821241820U CN 208537405 U CN208537405 U CN 208537405U
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Abstract
The utility model discloses a kind of spectral photometric colour measuring device, including integrating sphere, lighting source, which is characterized in that integrating sphere ball wall is equipped with the sampling window for sampling to sample and the measurement window for receiving sample surface reflection light；Lens one, aperture diaphragm, field stop, lens two and spectral measurement device are successively arranged in the emitting light path of the measurement window of integrating sphere, sample test zone is imaged through lens one and aperture diaphragm to field stop face, it is received after rays pass through lens two at field stop by spectral measurement device, and the light input end of spectral measurement device is located in conjugate planes of the aperture diaphragm about lens two；The utility model by reasonable light path design overcome in traditional color measuring device due to surface characteristics unevenly caused by test accuracy is not high, repdocutbility is poor problem, with measurement accuracy is high, repdocutbility is good etc., advantages, the surface optical characteristics (such as reflectivity, color) for being widely used in a variety of materials are tested.
Description
[technical field]
The utility model relates to optical radiation measurement fields, and in particular to a kind of point for material surface optical characteristic measurement
Light color measuring device.
[background technique]
With the fast development of the industries such as printing and dyeing, weaving, printing, for materials such as the color of product, reflectivity, transmissivities
The measurement and assessment of surface optical characteristics are increasingly by attention extensively in the industry.Wherein for material surface color and reflectivity
Measurement in, the color measuring device based on D/0 and D/8 measure geometry has been used widely.As publication No. is
The patent " based on D/8 condition to the spectrophotometric color measurement instrument of SCI error correction " of CN93542837A discloses a kind of spectral photometric colour measuring device,
It is measured using typical diffusion illumination, 8 ° of reception geometry；And the patent of Publication No. JP2015045617A
" colour photometer " also discloses a kind of color measuring device based on D/8, and passes through coupled lens for detected sample at the measuring mouth of integrating sphere
The light coupling on product surface is to spectrometer input and then realizes measurement.
However, often since the inhomogeneities of sample surfaces, such as surface have stamp, the color in each region in actual test
There are larger differences for information, so that sample spatially exists by the light after coupled lens in spectrometer light input end
Inhomogeneities, if spectrometer sampling by optical fiber position or entrance slit position there are deviation will will lead to measurement result occur compared with
Big error influences the correct assessment of sample surface optical characteristics.
[utility model content]
In view of the above shortcomings of the prior art, the utility model is intended to provide a kind of spectral photometric colour measuring device, passes through special conjunction
The light path design of reason overcomes traditional tester existing defect in terms of measurement accuracy and measurement repdocutbility, improves equipment
Measure stability and repdocutbility.
The utility model can be achieved through the following technical solutions, a kind of spectral photometric colour measuring device, including integrating sphere, illumination light
Source, which is characterized in that the integrating sphere ball wall is equipped with the sampling window for sampling to sample and for receiving quilt
The measurement window of sample surface reflection light；Lens are successively arranged in the emitting light path of the measurement window of the integrating sphere
One, aperture diaphragm, field stop, lens two and spectral measurement device, wherein sample test zone is through lens one and aperture
Stop imagery is received after the rays pass through lens two at the field stop by spectral measurement device to field stop face, wherein
The light input end of the spectral measurement device is located in conjugate planes of the aperture diaphragm about lens two.
By setting gradually lens one, aperture diaphragm, view in the emitting light path of the measurement window of integrating sphere in this programme
Field diaphragm, lens two and spectral measurement device, and spectral measurement device is set to conjugate planes of the aperture diaphragm about lens two
On, it is ensured that the light distribution uniformity of spectral measurement device light input end overcomes in traditional equipment due to spectral measurement device
Influence of the position deviation of light input end to the repdocutbility of test has weight for the measurement stability and repdocutbility that improve equipment
Big to help, the present apparatus can be widely applied to a variety of materials surface optical characteristics test occasion.
The utility model can be limited further and perfect by the following technical programs:
As a kind of technical solution, the field stop is changeable, i.e., realizes difference by switching field stop
Test visual field.According to different sample surface characteristics, the field angle of adjustment optical testing device is generally required, is realized not
With the sample testing area of size.To realize the demand, the adjusting of field angle is generally by optical system for testing in existing equipment
Optical axis on mobile imaging len position so that realize the adjusting of visual field, the program is in actual test often due to number of lenses
The limitation of amount and stroke, it is difficult to accomplish perfect zoom, so that the light efficiency of optical system is influenced, it is also past in the design aspect of equipment
It is past to cause the volume of equipment larger, it is inconvenient, flexibly test is regarded by the way that the setting of field stop can be switched in this programme
Field is adjusted, and improves the light efficiency of system and the operating flexibility of equipment；
As a kind of embodiment of above scheme, the size of the field stop is continuously adjustable.In the present solution, visual field
The size of diaphragm is continuously adjustable；The size of field stop is manually or automatically adjusted in this programme；
As a kind of embodiment of above scheme, the field stop includes two or more with different size of
Field stop, and manually or automatically according to actual test demand by correspondence it is different measurement field angle field stop from
It cuts or cuts out in optical path.
It as a preferred embodiment of the above solution, further include the driving motor automatically switched for driving the field stop to realize；
According to the visual field demand of different tests, the field stop is automatically switched by driving motor.
As a kind of technical solution, the lens one are close to the measurement window setting of the integrating sphere.It will in this programme
Lens one are close to the measurement window setting of integrating sphere, can utmostly improve the receipts light ability of the system, i.e., correspondence is bigger
Numerical aperture.
As a kind of technical solution, the spectrophotometric color measurement instrument further includes two or more and has different sizes or difference
The sampling plate of shape sampling hole, and the sampling plate is arranged between sample and sampling window.In detected sample in this programme
The sampling plate of sampling hole is provided between product and sampling window, and sampling plate is close to the sampling window setting of integrating sphere, is tested
Sample is close to sampling plate setting, so that the surface region of the sampling hole of sample corresponding sample plate is illuminated；This programme
The middle surface characteristics according to sample, such as pattern, color lump size, shape are provided with two and more than two with difference
The sampling plate of size or shape sampling hole meets the testing requirement of various samples.
In above scheme, according to the characteristic of sample, the shape of the sampling hole of the sampling plate can be round, square
Shape, triangle or other shapes.
As a kind of technical solution, the measurement window of the integrating sphere is positioned away from sample test zone surface
The direction that 8 ° of heart normal.Using D/8 color measuring geometry in this programme, i.e. the light of lighting source passes through in integrating sphere
Sample test surfaces are irradiated to after diffusing reflection light mixing many times, it is ensured that sample surfaces are diffusion illumination, further light
Spectrometry device carries out sample test zone surface in the direction for deviateing 8 ° of sample test zone centre of surface normal
The measurement of reflected light.
One of embodiment as above scheme, in the measurement window about sample test zone surface
It is additionally provided with delustring mouth on integrating sphere ball wall at centre normal symmetric position, and is equipped with light trapping at the delustring mouth.We
Case removes the mirror-reflection light with measurement direction symmetry direction using the SCE measurement method of D/8 color measuring geometry
It removes, the color characteristics of sample is only assessed and then measuring to diffusing from sample surface；
In above scheme, the light trapping is that surface is coated with black coating or is covered with the material or component of black flannelette,
The light trapping is that can all sponge the light being incident at its position.
As a kind of technical solution, the center on sample test zone surface is arranged in the measurement window of the integrating sphere
Normal direction.Using D/0 color measuring geometry in this programme, i.e., the light of lighting source is in integrating sphere by many times
Diffusing reflection light mixing after be irradiated to sample test surfaces, further optical measuring device is arranged in sample test section
The measurement of field surface centre normal direction progress sample test zone surface reflection.
As a kind of technical solution, being equipped in the integrating sphere prevents the emergent ray of lighting source from shining directly into
The diaphragm on sample surface.The setting of integrating sphere internal stop herein is lighting source direct projection in order to prevent to sample
On, that is, ensure sample for diffusion lighting condition.
As a kind of technical solution, the optic fibre input end of the spectral measurement device is located immediately at aperture diaphragm about saturating
In the conjugate planes of mirror two, measuring beam is transmitted through the fiber to inside spectral measurement device and then realizes measurement；
As a kind of technical solution, the entrance slit of the spectral measurement device is located immediately at aperture diaphragm about lens two
Conjugate planes position.Measuring beam is entered in turn by the entrance slit of spectral measurement device and realizes survey inside spectral measurement device
Amount.
As a kind of technical solution, coupled lens are additionally provided between the field stop and lens two.In field stop
The setting of coupled lens between lens two, so that the picture of the sample test zone at field stop can be saturating by coupling
Mirror is further abridged, and then reduces requirement of the test macro to two diameter of lens, and the aperture diaphragm is by coupled lens and lens
Two further imagings.
As a kind of technical solution, the lighting source be can be set inside integrating sphere；Or by integrating sphere
Lighting window is set, and then the light of lighting source after lighting window by entering inside integrating sphere.
[Detailed description of the invention]
Attached drawing 1 is the schematic diagram of utility model device in embodiment 1；
Attached drawing 2 is the light path schematic diagram of optical path in embodiment 1；
Attached drawing 3 is the schematic diagram of sampling plate in embodiment 1,2 and 3；
Attached drawing 4 is field stop schematic device in embodiment 1,2 and 3；
Attached drawing 5 is the schematic diagram of the utility model device in embodiment 2；
Attached drawing 6 is the light path schematic diagram of optical path in embodiment 2；
Attached drawing 7 is the schematic diagram of utility model device in embodiment 3 and 4；
Attached drawing 8 is the light path schematic diagram of optical path in embodiment 3 and 4；
1- integrating sphere；1-1- sampling window；1-2- measurement window；1-3- delustring mouth；1-4- lighting window；2- illumination light
Source；3- lens one；4- aperture diaphragm；5- field stop；6-lens two；7- spectral measurement device；7-1-entrance slit；7-2—
Optical fiber；8- sampling plate；8-1- sampling hole；9- light trapping, 10- coupled lens.
[specific embodiment]
Embodiment 1
As shown in Figure 1,2,3, 4, the present embodiment discloses a kind of spectral photometric colour measuring device, including integrating sphere 1, lighting device 2, institute
The ball wall for the integrating sphere 1 stated is equipped with sampling window 1-1, and sample is arranged by the intermediate sampling plate 8 with sampling hole 8-1
In the position sampling window 1-1；The measurement window for measuring sample surface reflection light is additionally provided on the ball wall of integrating sphere 1
Mouthful 1-2 and for the light of lighting source 2 to be introduced to the lighting window 1-4 inside integrating sphere 1, wherein described in measurement window 1-
2 are arranged in sampling window 1-1 centre normal direction；The emergent light for preventing lighting source 2 is additionally provided in the inside of integrating sphere 1
Diaphragm of the direct irradiation at sample surface and measurement window；It is successively arranged in the emitting light path of measurement window 1-2
Mirror 1,4, three changeable field stops 5 of aperture diaphragm and lens 26, wherein the different measurements of three correspondences
The field stop of visual field is arranged on the same disk, and carries out field stop 5 by driving motor (being not drawn into figure)
Switching so that realize the switchings of different test visual fields, the shape of the field stop 5 is round, is partially rectangle；
In the optical path of sample reflected light (as shown in Figure 2), the sample test zone passes through lens 1 and hole
Imaging is on 5 face of field stop after diameter diaphragm 4, and the light at the field stop 5 further passes through after lens 2 by spectrum
Measuring device 7 receives measurement, and wherein aperture diaphragm 4 is arranged in about lens 26 in the entrance slit 7-1 of spectral measurement device 7
In conjugate planes, lens 1 described herein are imaging len, and the lens 26 are field lens；In the present embodiment, it is provided with
Sampling plate 8 with different shape and size sampling hole 8-1 as described in Figure 3, it is appropriate to need to select according to different test samples
Sampling plate 8；In addition, spectral measurement device 7 described in the present embodiment is spectrometer.
Embodiment 2
A kind of spectrophotometric color measurement instrument, including integrating sphere 1, lighting device 2, institute are disclosed as shown in Fig. 3,4,5,6, in the present embodiment
The ball wall for the integrating sphere 1 stated is equipped with sampling window 1-1, and sample is arranged by the intermediate sampling plate 8 with sampling hole 8-1
In the position sampling window 1-1；The measurement window for measuring sample surface reflection light is additionally provided on the ball wall of integrating sphere 1
Mouthful 1-2 and for the light of lighting source 2 to be introduced to the lighting window 1-4 inside integrating sphere 1, wherein described in measurement window 1-
2 are positioned away from the direction of 8 ° of sampling window 1-1 centre normal；Diaphragm is additionally provided with for preventing from illuminating in the inside of integrating sphere 1
The emergent light direct irradiation of light source 2 is at sample surface and measurement window 1-2；In the emitting light path of measurement window 1-2
It is successively arranged lens 1,4, three changeable field stops 5 of aperture diaphragm and lens 26, wherein described three are right
It answers the field stop of different measurement visual fields to be arranged on the same disk, and is carried out by driving motor (being not drawn into figure)
The switching of field stop 5 and then the switching for realizing different test visual fields；(such as Fig. 6 in the optical path of sample reflected light
It is shown), the sample test zone is imaged after lens 1 and aperture diaphragm 4 to 5 face of field stop,
Light at the field stop 5 is measured after further passing through lens 2 by the reception of spectral measurement device 7, and wherein spectral measurement fills
The input terminal for setting 7 optical fiber 7-2 is arranged in conjugate planes of the aperture diaphragm 4 about lens two, lens 1 described herein be at
As lens, the lens 26 are field lens；In the present embodiment, being provided with as described in Figure 3 there is different shape and size to take
The sampling plate 8 of sample hole 8-1 according to test sample needs, and selects sampling plate 8 appropriate；In addition, light described in the present embodiment
Spectrometry device 7 is spectrometer.
Embodiment 3
As shown in Fig. 3,4,7,8, the present embodiment discloses a kind of spectrophotometric test device, including integrating sphere 1, lighting device 2, institute
The ball wall for the integrating sphere 1 stated is equipped with sampling window 1-1, and sample is arranged by the intermediate sampling plate 8 with sampling hole 8-1
In the position sampling window 1-1；The measurement window for measuring sample surface reflection light is additionally provided on the ball wall of integrating sphere 1
Mouthful 1-2 and for the light of lighting source 2 to be introduced to the lighting window 1-4 inside integrating sphere 1, wherein described in measurement window 1-
2 are positioned away from 8 ° of normal of sample test zone centre of surface of direction；In the measurement window 1-2 about sampling window
It is additionally provided with delustring mouth 1-3 on 1 ball wall of integrating sphere at 1-1 centre normal symmetric position, and is equipped with light at the delustring mouth 1-3
Trap 9, i.e. the present embodiment use the measuring principle of SCE, and the light trapping 9 is the black box that surface is coated with black coating；
Diaphragm is additionally provided with for preventing the emergent light direct irradiation of lighting source 2 on sample surface in the inside of integrating sphere 1；It is surveying
It measures in the emitting light path of window 1-2 and is successively arranged lens 1, aperture diaphragm 4, three changeable field stops 5, coupled lens
10 and lens 26, wherein the field stop of the different measurement visual fields of three correspondences is arranged on the same disk, and
And the switching of different test visual fields is realized by the switching that driving motor (being not drawn into figure) carries out field stop 5；In quilt
In the optical path of sample reflected light (as shown in Figure 8), the sample test zone passes through lens 1 and aperture light
Imaging is on 5 face of field stop after door screen 4, and at field stop 5 sample picture after coupled lens 10 further
It reduces, further light further receives measurement by spectral measurement device 7 after lens 26 after coupled lens 10, this
In embodiment, the optical fiber 7-2 input terminal of the spectral measurement device 7 is located at aperture diaphragm 4 about coupled lens 10 and lens 26
Conjugate planes on, in embodiment, be provided with the sampling plate 8 with different shape and size sampling hole 8-1 as described in Figure 3,
According to test sample needs, and select sampling plate 8 appropriate；In addition, spectral measurement device 7 described in the present embodiment is spectrum
Instrument.
Embodiment 4
The present embodiment discloses a kind of spectral photometric colour measuring device, the present embodiment and embodiment 3 only difference is that, it is described
The quantity of field stop 5 is one, and the size of field stop 5 is continuously adjustable, by the size for adjusting field stop 5
Realize the adjusting of test visual field；Remaining setting is same as Example 3.
Specific embodiment of the present utility model is described in conjunction with attached drawing above, but these explanations cannot be understood to
The scope of the utility model is limited, the protection scope of the utility model is limited by appended claims, any at this
Change on the basis of utility model claims is all protection scope of the present invention.
Claims (10)
1. a kind of spectral photometric colour measuring device, including integrating sphere (1), lighting source (2), which is characterized in that integrating sphere (1) the ball wall
It is equipped with the sampling window (1-1) for sampling to sample and the survey for receiving sample surface reflection light
It measures window (1-2)；Lens one (3), aperture are successively arranged in the emitting light path of the measurement window (1-2) of the integrating sphere (1)
Diaphragm (4), field stop (5), lens two (6) and spectral measurement device (7), wherein sample test zone is through lens one
(3) and aperture diaphragm (4) imaging is to field stop (5) face, after the rays pass through lens two (6) at the field stop (4) by
Spectral measurement device (7) receives, wherein the light input end of the spectral measurement device (7) is located at aperture diaphragm (4) about lens
In the conjugate planes of two (6).
2. spectral photometric colour measuring device as described in claim 1, which is characterized in that the size of the field stop (5) continuously may be used
It adjusts；Or the field stop (5) includes two or more with various sizes of changeable field stop (5).
3. the spectral photometric colour measuring device as described in any one of claim 1,2, which is characterized in that further include two or more tool
There is the sampling plate (8) of different sizes or different shape sampling hole (8-1), and the sampling plate (8) is close to be arranged in sample
Between sampling window (1-1).
4. the spectral photometric colour measuring device as described in any one of claim 1,2, which is characterized in that the survey of the integrating sphere (1)
Amount window (1-2) is positioned away from the direction of 8 ° of centre normal of sampling window (1-1).
5. spectral photometric colour measuring device as claimed in claim 4, which is characterized in that in the measurement window (1-2) about sample window
It is additionally provided with delustring mouth (1-3) on integrating sphere (1) ball wall at mouth (1-1) centre normal symmetric position, and the delustring mouth (1-
3) place is equipped with light trapping (9).
6. spectral photometric colour measuring device as claimed in claim 5, the light trapping (9) is that surface is coated with black coating or is covered with black
The material or component of color flannelette.
7. the spectral photometric colour measuring device as described in any one of claim 1,2, which is characterized in that the survey of the integrating sphere (1)
Window (1-2) is measured to be arranged in sampling window (1-1) centre normal direction.
8. the spectral photometric colour measuring device as described in any one of claim 1,2,5,6, which is characterized in that the spectral measurement dress
The entrance slit (7-1) for setting (7) is located in conjugate planes of the aperture diaphragm (4) about lens two (6)；Or the spectral measurement dress
Optical fiber (7-2) input terminal for setting (7) is located in conjugate planes of the aperture diaphragm (4) about lens two (6).
9. spectral photometric colour measuring device as claimed in claim 8, which is characterized in that the field stop (5) and lens two (6) it
Between be additionally provided with coupled lens (10).
10. the spectral photometric colour measuring device as described in any one of claim 1,2,5,6,9, which is characterized in that further include being used for
The field stop (5) are driven to realize the driving motor automatically switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241820.XU CN208537405U (en) | 2018-08-03 | 2018-08-03 | A kind of spectral photometric colour measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241820.XU CN208537405U (en) | 2018-08-03 | 2018-08-03 | A kind of spectral photometric colour measuring device |
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| CN208537405U true CN208537405U (en) | 2019-02-22 |
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| CN201821241820.XU Active CN208537405U (en) | 2018-08-03 | 2018-08-03 | A kind of spectral photometric colour measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738159A (en) * | 2019-03-14 | 2019-05-10 | 贵州大学 | A uniform light source with focusing mirror integrating sphere |
| CN115307736A (en) * | 2022-07-18 | 2022-11-08 | 苏州普立视科技有限公司 | Light splitting colorimeter light collecting system |
| CN116518851A (en) * | 2023-03-31 | 2023-08-01 | 江苏匠岭半导体有限公司 | Optical measuring assembly, semiconductor optical film thickness and line width measuring device and method |
-
2018
- 2018-08-03 CN CN201821241820.XU patent/CN208537405U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738159A (en) * | 2019-03-14 | 2019-05-10 | 贵州大学 | A uniform light source with focusing mirror integrating sphere |
| CN115307736A (en) * | 2022-07-18 | 2022-11-08 | 苏州普立视科技有限公司 | Light splitting colorimeter light collecting system |
| CN115307736B (en) * | 2022-07-18 | 2023-09-29 | 苏州普立视科技有限公司 | Light collecting system of spectrocolorimeter |
| CN116518851A (en) * | 2023-03-31 | 2023-08-01 | 江苏匠岭半导体有限公司 | Optical measuring assembly, semiconductor optical film thickness and line width measuring device and method |
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